The Daily Brew
Selected astro-ph abstracts for Thursday October 26
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Reconstructing the Cosmic Evolution of Quasars from the Age Distribution
of Local Early-Type Galaxies
Zoltan Haiman (Columbia), Raul Jimenez (UPenn), Mariangela Bernardi
(UPenn)
Comments: Submitted to ApJ
astro-ph/0610723
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The ages, metallicities and star formation histories of early-type
galaxies in SDSS
Raul Jimenez (UPenn), Mariangela Bernardi (UPenn), Zoltan Haiman
(Columbia), Ben Panter (MPA), Alan F. Heavens (SUPA, Edinburgh)
Comments: Submitted to ApJ
astro-ph/0610724
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Metallicity and Ionization in High Velocity Cloud Complex C
J. A. Collins, J. M. Shull, M. L. Giroux
Comments: Submitted to ApJ
astro-ph/0610729
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X-ray flares and the duration of engine activity in gamma-ray bursts
Davide Lazzati and Rosalba Perna (JILA, University of Colorado)
Comments: 5 pages, submitted to MNRAS pink pages
astro-ph/0610730
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Can Astrophysical Gamma Ray Sources Mimic Dark Matter Annihilation in
Galactic Satellites?
Edward A. Baltz, James E. Taylor, Lawrence L. Wai
Comments: 4 pages, 5 figures
Report-no: SLAC-PUB-12173
astro-ph/0610731
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Groups of Galaxies in the Two Micron All-Sky Redshift Survey
Aidan C. Crook, John P. Huchra, Nathalie Martimbeau, Karen L. Masters,
Tom Jarrett, Lucas M. Macri
Comments: Accepted for publication in ApJ (29 pages including 13 figures). A
version with high-resolution figures is available at
http://www.cfa.harvard.edu/~acrook/preprints/
astro-ph/0610732
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Coupled Variations of Fundamental Couplings and Primordial
Nucleosynthesis
Alain Coc, Nelson J. Nunes, Keith A. Olive, Jean-Philippe Uzan,
Elisabeth Vangioni
Comments: 11 pages, 6 figures
Report-no: UMN-TH-2526/06, FTPI-MINN-06/36
astro-ph/0610733
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The AGN fraction - velocity dispersion relation in clusters of galaxies
P. Popesso and A. Biviano
Comments: 4 pages, 3 figures, A&A Letter accepted for publication
astro-ph/0610738
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The 400 square degrees ROSAT PSPC galaxy cluster survey: Catalog and
statistical calibration
R. A. Burenin, A. Vikhlinin, A. Hornstrup, H. Ebeling, H. Quintana, A.
Mescheryakov
Comments: Submitted to ApJS. 21 pages using emulateapj. More information ans
survey data tables are available at http://hea-www.harvard.edu/400d and
http://hea.iki.rssi.ru/400d
astro-ph/0610739
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Searching for Stars in Compact High-Velocity Clouds. II
U. Hopp, R.E.-Schulte-Ladbeck, J. Kerp
Comments: 6 pages, 3 figures. submitted to MNRAS
astro-ph/0610748
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Detection of Beat Cepheids in M33 and Their Use as a Probe of the M33
Metallicity Distribution
J.-P. Beaulieu, J. Robert Buchler, J.-B. Marquette, J.D. Hartman, A.
Schwarzenberg-Czerny
Comments: 5 pages, 2 figs
astro-ph/0610749
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Is 6-Li in metal-poor halo stars produced in situ by solar-like flares ?
V. Tatischeff, J.-P. Thibaud
Comments: 11 pages, 4 figures, submitted to Astronomy & Astrophysics
astro-ph/0610756
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The Environments of Ultra-strong Mg II Absorbers
Daniel B. Nestor, David A. Turnshek, Sandhya M. Rao, Anna M. Quider
Comments: 52 pages, 9 figures, accepted to ApJ For higher-res versions of
images, see: http://www.ast.cam.ac.uk/~dbn/Images/
astro-ph/0610760
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